3v4l.org

run code in 300+ PHP versions simultaneously
<?php function daysInWeek($weekNum) { $result = array(); $datetime = new DateTime(); $datetime->setISODate((int)$datetime->format('o'), $weekNum, 1)->setTime(0, 0, 0); $interval = new DateInterval('P1D'); $week = new DatePeriod($datetime, $interval, 6); foreach($week as $day){ $result[] = $day->format('D d m Y H:i:s'); } return $result; } var_dump(daysInWeek(24)); //and the difficult ones:- var_dump(daysInWeek(1)); var_dump(daysInWeek(53));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0180.00318.81
8.3.50.0090.01121.21
8.3.40.0110.00419.22
8.3.30.0060.00920.38
8.3.20.0040.00420.00
8.3.10.0040.00422.09
8.3.00.0000.01522.38
8.2.180.0070.01516.88
8.2.170.0060.00922.96
8.2.160.0070.00720.38
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0040.00419.89
8.2.110.0040.00420.46
8.2.100.0040.00818.09
8.2.90.0050.00319.35
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0090.00317.93
8.2.50.0030.00618.07
8.2.40.0090.00018.28
8.2.30.0000.00818.20
8.2.20.0000.00717.95
8.2.10.0030.00518.01
8.2.00.0040.00417.88
8.1.280.0090.00925.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0120.00922.17
8.1.230.0080.00420.88
8.1.220.0080.00017.88
8.1.210.0040.00418.77
8.1.200.0030.00717.60
8.1.190.0000.00817.63
8.1.180.0000.00720.19
8.1.170.0080.00018.59
8.1.160.0040.00422.08
8.1.150.0030.00618.86
8.1.140.0040.00417.67
8.1.130.0060.00317.92
8.1.120.0030.00517.63
8.1.110.0040.00417.66
8.1.100.0000.00717.70
8.1.90.0070.00017.73
8.1.80.0040.00417.55
8.1.70.0060.00317.57
8.1.60.0090.00017.78
8.1.50.0060.00317.71
8.1.40.0080.00017.65
8.1.30.0040.00417.80
8.1.20.0000.00817.64
8.1.10.0000.00817.71
8.1.00.0030.00617.79
8.0.300.0000.00818.77
8.0.290.0030.00517.00
8.0.280.0000.00818.43
8.0.270.0030.00317.38
8.0.260.0040.00417.07
8.0.250.0000.00817.09
8.0.240.0000.00817.16
8.0.230.0030.00317.07
8.0.220.0000.01017.15
8.0.210.0070.00017.18
8.0.200.0080.00017.08
8.0.190.0030.00617.21
8.0.180.0040.00417.15
8.0.170.0040.00417.18
8.0.160.0000.00717.12
8.0.150.0080.00016.96
8.0.140.0000.00717.00
8.0.130.0030.00313.53
8.0.120.0000.00816.97
8.0.110.0000.00717.18
8.0.100.0050.00217.19
8.0.90.0040.00417.24
8.0.80.0120.00917.16
8.0.70.0000.00817.07
8.0.60.0000.00717.00
8.0.50.0030.00517.13
8.0.30.0080.01217.48
8.0.20.0170.00417.40
8.0.10.0000.00717.12
8.0.00.0130.00716.91
7.4.330.0020.00215.00
7.4.320.0030.00316.77
7.4.300.0050.00216.82
7.4.290.0000.00716.66
7.4.280.0060.00316.76
7.4.270.0030.00516.69
7.4.260.0000.00716.55
7.4.250.0050.00316.67
7.4.240.0040.00416.63
7.4.230.0050.00316.49
7.4.220.0030.01316.86
7.4.210.0060.00916.72
7.4.200.0000.00716.86
7.4.190.0000.00716.57
7.4.160.0140.00316.69
7.4.150.0090.00917.40
7.4.140.0160.01017.86
7.4.130.0120.00716.76
7.4.120.0060.01116.82
7.4.110.0060.01116.53
7.4.100.0070.01316.81
7.4.90.0130.00616.65
7.4.80.0030.02019.39
7.4.70.0100.00716.60
7.4.60.0140.00316.66
7.4.50.0000.00416.74
7.4.40.0090.00322.77
7.4.30.0130.00316.82
7.4.00.0070.00915.26
7.3.330.0000.00613.45
7.3.320.0030.00313.46
7.3.310.0000.00716.45
7.3.300.0040.00416.33
7.3.290.0100.01016.41
7.3.280.0090.01116.49
7.3.270.0120.00617.40
7.3.260.0110.00716.77
7.3.250.0090.01016.71
7.3.240.0030.01416.97
7.3.230.0130.00416.66
7.3.210.0090.00916.69
7.3.200.0040.01419.39
7.3.190.0070.01116.65
7.3.180.0120.00316.89
7.3.170.0080.00816.85
7.3.160.0130.01016.71
7.3.120.0030.01514.88
7.3.110.0120.00915.03
7.3.100.0030.01314.81
7.3.90.0070.00715.18
7.3.80.0180.00014.68
7.3.70.0100.00714.84
7.3.60.0110.00415.10
7.3.50.0120.00314.88
7.3.40.0060.00915.07
7.3.30.0090.00315.04
7.3.20.0060.00316.90
7.3.10.0100.00716.80
7.3.00.0000.01516.89
7.2.330.0060.01216.92
7.2.320.0060.01317.01
7.2.310.0110.00717.05
7.2.300.0090.00816.96
7.2.290.0070.01016.68
7.2.250.0090.01215.16
7.2.240.0090.00615.46
7.2.230.0060.01315.27
7.2.220.0040.00714.94
7.2.210.0090.00915.46
7.2.200.0100.00315.34
7.2.190.0040.01115.36
7.2.180.0090.00315.07
7.2.170.0030.01015.00
7.2.60.0000.01017.17
7.1.330.0040.01416.11
7.1.320.0050.00815.96
7.1.310.0100.00316.16
7.1.300.0000.01315.98
7.1.290.0000.01415.59
7.1.280.0030.01016.02
7.1.270.0030.01215.78
7.1.260.0030.01215.96
7.1.200.0040.00415.99
7.1.70.0030.00717.22
7.1.60.0090.01319.21
7.1.50.0120.00617.18
7.1.00.0000.03722.44
7.0.200.0110.00714.96
7.0.140.0100.06722.00
7.0.60.0130.07719.94
7.0.50.0030.08717.88
7.0.40.0100.06019.96
7.0.30.0300.03720.23
7.0.20.0370.07020.25
7.0.10.0300.08320.08
7.0.00.0070.04020.18
5.6.280.0070.07020.99
5.6.210.0100.07720.71
5.6.200.0070.08318.22
5.6.190.0030.07320.46
5.6.180.0430.07020.34
5.6.170.0370.04320.47
5.6.160.0000.05320.39
5.6.150.0100.07718.19
5.6.140.0070.08018.19
5.6.130.0100.08318.14
5.6.120.0070.05021.01
5.6.110.0030.08721.03
5.6.100.0070.06321.12
5.6.90.0170.07320.96
5.6.80.0030.03720.39
5.6.70.0300.07020.41
5.5.350.0070.08020.30
5.5.340.0130.07317.99
5.5.330.0070.04020.19
5.5.320.0270.07720.39
5.5.310.0170.04320.23
5.5.300.0030.03718.03
5.5.290.0070.07317.93
5.5.280.0030.04020.84
5.5.270.0100.08720.79
5.5.260.0170.07720.87
5.5.250.0130.05020.58
5.5.240.0070.08320.36
5.4.450.0270.06319.55
5.4.440.0600.06319.20
5.4.430.0770.05319.33
5.4.420.0700.05019.63
5.4.410.0600.05319.36
5.4.400.0370.05318.68
5.4.390.0370.06018.70
5.4.380.0270.04318.80
5.4.370.0270.05718.65
5.4.360.0170.05718.47
5.4.350.0110.03512.02
5.4.340.0060.03612.01
5.4.320.0080.03512.50
5.4.310.0080.04812.50
5.4.300.0080.03912.51
5.4.290.0060.04712.50
5.4.280.0060.03712.40
5.4.270.0040.03912.40
5.4.260.0080.03912.39
5.4.250.0130.05018.80
5.4.240.0130.07018.92
5.4.230.0070.08018.95
5.4.220.0130.04718.84
5.4.210.0200.05318.99
5.4.200.0170.06018.99
5.4.190.0130.05318.79
5.4.180.0170.04019.02
5.4.170.0230.03718.65
5.4.160.0170.04018.89
5.4.150.0100.05318.73
5.4.140.0070.07316.55
5.4.130.0200.06016.34
5.4.120.0100.05316.34
5.4.110.0170.06016.41
5.4.100.0130.05316.62
5.4.90.0130.05016.33
5.4.80.0070.05016.64
5.4.70.0000.05716.39
5.4.60.0070.05016.50
5.4.50.0070.05016.46
5.4.40.0070.04716.50
5.4.30.0130.06316.48
5.4.20.0100.04316.35
5.4.10.0100.05016.52
5.4.00.0030.05015.70
5.3.290.0050.04212.80
5.3.280.0130.05014.61
5.3.270.0000.05714.77
5.3.260.0100.05714.77
5.3.250.0170.06014.78
5.3.240.0100.06014.57
5.3.230.0130.06714.69
5.3.220.0070.07714.49
5.3.210.0130.07314.48
5.3.200.0230.05314.55
5.3.190.0230.04014.65
5.3.180.0100.05014.65
5.3.170.0000.06014.55
5.3.160.0070.07314.73
5.3.150.0200.05714.71
5.3.140.0030.05714.57
5.3.130.0070.07314.54
5.3.120.0030.05314.63
5.3.110.0100.06714.45
5.3.100.0070.05014.26
5.3.90.0000.05314.11
5.3.80.0170.04314.24
5.3.70.0100.04313.99
5.3.60.0000.05314.00
5.3.50.0030.05314.04
5.3.40.0030.05313.95
5.3.30.0100.05313.89
5.3.20.0030.05313.78
5.3.10.0030.05313.83
5.3.00.0130.04313.71
5.2.170.0030.04011.13
5.2.160.0070.03711.13
5.2.150.0000.05710.99
5.2.140.0030.04311.05
5.2.130.0000.04711.18
5.2.120.0030.04011.29
5.2.110.0100.04011.26
5.2.100.0000.04311.05
5.2.90.0100.03311.27
5.2.80.0100.05711.07
5.2.70.0070.04011.09
5.2.60.0070.04011.12
5.2.50.0070.04311.09
5.2.40.0100.03310.98
5.2.30.0100.05011.06
5.2.20.0030.04010.91
5.2.10.0070.05010.87
5.2.00.0070.03710.94
5.1.60.0000.03310.15
5.1.50.0130.03710.04
5.1.40.0100.0309.95
5.1.30.0030.03310.31
5.1.20.0070.03310.32
5.1.10.0100.0339.99
5.1.00.0070.03710.16
5.0.50.0030.0278.70
5.0.40.0070.0408.70
5.0.30.0070.0478.70
5.0.20.0000.0308.70
5.0.10.0070.0238.70
5.0.00.0000.0438.70
4.4.90.0070.0178.70
4.4.80.0030.0238.70
4.4.70.0000.0238.70
4.4.60.0030.0278.70
4.4.50.0030.0278.70
4.4.40.0000.0378.70
4.4.30.0000.0238.70
4.4.20.0030.0208.70
4.4.10.0000.0308.70
4.4.00.0030.0338.70
4.3.110.0030.0238.70
4.3.100.0070.0178.70
4.3.90.0070.0178.70
4.3.80.0000.0338.70
4.3.70.0030.0238.70
4.3.60.0000.0238.70
4.3.50.0000.0238.70
4.3.40.0000.0338.70
4.3.30.0030.0208.70
4.3.20.0030.0208.70
4.3.10.0000.0238.70
4.3.00.0130.0236.18

preferences:
42.4 ms | 401 KiB | 5 Q